23328385920 has 192 divisors, whose sum is σ = 92063967840. Its totient is φ = 5332193280.

The previous prime is 23328385919. The next prime is 23328385931. The reversal of 23328385920 is 2958382332.

23328385920 is a `hidden beast` number, since 2 + 3 + 3 + 28 + 38 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248971 + ... + 329610.

Almost surely, 2^23328385920 is an apocalyptic number.

23328385920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23328385920 is an abundant number, since it is smaller than the sum of its proper divisors (68735581920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23328385920 is a wasteful number, since it uses less digits than its factorization.

23328385920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578613 (or 578598 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 23328385920 in words is "twenty-three billion, three hundred twenty-eight million, three hundred eighty-five thousand, nine hundred twenty".